Opera palette
Chalky Manor
Five opera stops with room to breathe — #00629a grounds, #158cd7 and #3fa8f6 do the talking, #65b8fa softens, #a0d3ff lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00629a
#158cd7
#3fa8f6
#65b8fa
#a0d3ff
The generator opens with #00629a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.